Zoom light

Claim 2

An adjustable beamwidth reflector comprising: first reflecting means receiving radiation in a first direction with respect thereto for reflection in a second direction with respect thereto, second reflecting means positionable with resPect to said first reflecting means, said second reflecting means receiving radiation in a first direction with respect thereto and coextensive with the second direction of the first reflecting means for reflection in a second direction with respect thereto, and said reflecting means having a plurality of circumferentially spaced longitudinally directed slots to enable varying the parabolic configuration to vary the first and second direction, and means for varying the parabolic configuration of said second reflecting means.

Claim 3

An adjustable beamwidth reflector comprising: first reflecting means receiving radiation in a first direction with respect thereto for reflection in a second direction with respect thereto, second reflecting means positionable with resPect to said first reflecting means, said second reflecting means receiving radiation in a first direction with respect thereto and coextensive with the second direction of the first reflecting means for reflection in a second direction with respect thereto, and said reflecting means having a plurality of circumferentially spaced longitudinally directed slots to enable varying the parabolic configuration to vary the first and second direction, and means for varying the parabolic configuration of said second reflecting means.

Claim 4

An adjustable beamwidth reflector comprising: first reflecting means receiving radiation in a first direction with respect thereto for reflection in a second direction with respect thereto, second reflecting means positionable with resPect to said first reflecting means, said second reflecting means receiving radiation in a first direction with respect thereto and coextensive with the second direction of the first reflecting means for reflection in a second direction with respect thereto, and said reflecting means having a plurality of circumferentially spaced longitudinally directed slots to enable varying the parabolic configuration to vary the first and second direction, and means for varying the parabolic configuration of said second reflecting means.

Claim 5

An adjustable beamwidth reflector comprising: first reflecting means receiving radiation for reflection in a fixed direction to a stationary receiver location, second reflecting means having a generally parabolic configuration with a first focal radius, said second reflecting means positionable with respect to said first reflecting means and receiving radiation in a beamwidth variable with its position with respect to said first reflecting means for reflection to said first reflecting means, third reflecting means having a generally parabolic configuration with a second focal radius different from said first focal radius, said third reflecting means positionable with respect to said first reflecting means and receiving radiation in a first direction with respect thereto for reflection in a second direction with respect thereto to the stationary receiver location, means for positioning said second reflecting means with respect to said first reflecting means to vary the beamwidth of received radiation, and means for positioning said third reflecting means with respect to said first reflecting means to form an elliptically shaped reflector surface.

Claim 6

An adjustable beamwidth reflector comprising: first reflecting means receiving radiation for reflection in a fixed direction to a stationary receiver location, second reflecting means having a generally parabolic configuration with a first focal radius, said second reflecting means positionable with respect to said first reflecting means and receiving radiation in a beamwidth variable with its position with respect to said first reflecting means for reflection to said first reflecting means, third reflecting means having a generally parabolic configuration with a second focal radius different from said first focal radius, said third reflecting means positionable with respect to said first reflecting means and receiving radiation in a first direction with respect thereto for reflection in a second direction with respect thereto to the stationary receiver location, means for positioning said second reflecting means with respect to said first reflecting means to vary the beamwidth of received radiation, and means for positioning said third reflecting means with respect to said first reflecting means to form an elliptically shaped reflector surface.

Claim 7

An adjustable beamwidth energy system, comprising: a source of visible wavelength radiation mounted along a predetermined axis, a first reflector having a generally parabolic shape and an axis coaxial with the predetermined axis of said source of visible wavelength radiation for receiving radiation from said source and reflecting such radiation in a direction determined by the spaced relationship of said reflector to said source, means for adjusting the spaced relationship between said first reflector and said source along the axis thereof, and a second reflector positioned from said source opposite the first reflector receiving radiation from said source for reflection to said first adjustable reflector.

Claim 8

An adjustable beamwidth energy system, comprising: a source of visible wavelength radiation mounted along a predetermined axis, a first reflector having a generally parabolic shape and an axis coaxial with the predetermined axis of said source of visible wavelength radiation for receiving radiation from said source and reflecting such radiation in a direction determined by the spaced relationship of said reflector to said source, means for adjusting the spaced relationship between said first reflector and said source along the axis thereof, and a second reflector positioned from said source opposite the first reflector receiving radiation from said source for reflection to said first adjustable reflector.

Claim 9

An adjustable beamwidth energy system as set forth in claim 3 including a second generally parabolically shaped adjustable reflector receiving radiation from said source and reflecting such radiation in a direction determined by the spaced relationship of said reflector to said source, and means for adjusting the spaced relationship between said second parabolically shaped reflector and said source.

Claim 10

An adjustable beamwidth energy system as set forth in claim 4 including a reflector receiving radiation from said source for reflection to said second generally parabolically shaped adjustable reflector.

Claim 11

An adjustable beamwidth energy system as set forth in claim 5 wherein said first generally parabolically shaped adjustable reflector has a first focal radius and said second generally parabolically shaped adjustable reflector has a second focal radius different from said first radius.

Claim 12

An adjustable beamwidth energy system, comprising: a source of visible wavelength radiation, a generally parabolically shaped reflector having a plurality of spaced slots extending generally in the direction of the longitudinal axis for receiving radiation from said source and reflecting such radiation in a direction determined by the spaced relationship of said reflector to said source, and means for adjusting the parabolic shape of said reflector to vary the spaced relationship between the reflector and source.

Claim 13

An adjustable beamwidth energy system, comprising: a source of visible wavelength radiation, a generally parabolically shaped reflector having a plurality of spaced slots extending generally in the direction of the longitudinal axis for receiving radiation from said source and reflecting such radiation in a direction determined by the spaced relationship of said reflector to said source, and means for adjusting the parabolic shape of said reflector to vary the spaced relationship between the reflector and source.

Claim 14

Adjustable beamwidth lighting apparatus comprising: a light source, first reflecting means having a confiGuration formed from a portion of a sphere with the center of radius at said light source and having a spaced relationship with respect to said light source and receiving radiation therefrom in a first direction for reflection in a second direction, second reflecting means having a generally parabolic shape positionable with respect to said first reflecting means along an axis coaxial therewith receiving radiation reflected from said first reflecting means for further reflection in a direction variable with the position of said second reflecting means, and means for positioning the second reflecting means with respect to said first reflecting means to vary the beamwidth of reflected radiation from the second reflected means.

Claim 15

Adjustable beamwidth lighting apparatus comprising: a light source, first reflecting means having a confiGuration formed from a portion of a sphere with the center of radius at said light source and having a spaced relationship with respect to said light source and receiving radiation therefrom in a first direction for reflection in a second direction, second reflecting means having a generally parabolic shape positionable with respect to said first reflecting means along an axis coaxial therewith receiving radiation reflected from said first reflecting means for further reflection in a direction variable with the position of said second reflecting means, and means for positioning the second reflecting means with respect to said first reflecting means to vary the beamwidth of reflected radiation from the second reflected means.

Claim 16

Adjustable beamwidth lighting apparatus as set forth in claim 8 including third reflecting means positionable with respect to said lighting source receiving radiation therefrom for reflection in a direction that varies with the position thereof with respect to said light source, and means for positioning said third reflecting means with respect to said light source to vary the intensity distribution of light in the adjustable beamwidth.

Claim 17

Adjustable beamwidth lighting apparatus as set forth in claim 9 including fourth reflecting means having a fixed spaced relationship with respect to said light source receiving radiation therefrom for reflection to said third reflecting means.

Claim 18

Adjustable beamwidth lighting apparatus as set forth in claim 10 wherein said fourth reflecting means includes a reflector having a configuration formed by a portion of a sphere with a center of radius at said light source.

Claim 19

Adjustable beamwidth lighting apparatus as set forth in claim 9 wherein said third reflecting means includes a generally parabolically shaped reflector having internal reflecting surfaces.

Claim 20

Adjustable beamwidth lighting apparatus, comprising: a light source, a first reflector having a configuration formed by a portion of a sphere, said first reflector having a fixed spaced relationship with respect to said light source and receiving radiation thereof, a first generally parabolically shaped reflector positionable with respect to said first reflector receiving radiation reflected therefrom for further reflection in a beam width variable with the position of said first parabolically shaped reflector with respect to said first reflector, a second generally parabolically shaped reflector positionable with respect to said light source receiving radiation therefrom for reflection in a beam width variable with respect to the position of said second parabolic reflector with respect to said light source, and means for positioning said first and second parabolic reflectors with respect to said light source to vary the reflected beam light direction.

Claim 21

Adjustable beamwidth lighting apparatus, comprising: a light source, a first reflector having a configuration formed by a portion of a sphere, said first reflector having a fixed spaced relationship with respect to said light source and receiving radiation thereof, a first generally parabolically shaped reflector positionable with respect to said first reflector receiving radiation reflected therefrom for further reflection in a beam width variable with the position of said first parabolically shaped reflector with respect to said first reflector, a second generally parabolically shaped reflector positionable with respect to said light source receiving radiation therefrom for reflection in a beam width variable with respect to the position of said second parabolic reflector with respect to said light source, and means for positioning said first and second parabolic reflectors with respect to said light source to vary the reflected beam light direction.

Claim 22

Adjustable beamwidth lighting apparatus as set forth in claim 13 including a second reflector having a configuration formed by a portion of a sphere, said second reflector having a fixed spaced relationship with respect to said light source receiving radiation therefrom for reflection to said second generally parabolically shaped reflector.

Claim 23

Adjustable beamwidth lighting apparatus as set forth in claim 13 wherein said first generally parabolically shaped reflector has a first focal radius and said second generally parabolically shaped reflector has a second focal radius different from said first radius.

Claim 24

Adjustable beamwidth lighting apparatus as set forth in claim 15 wherein said means for positioning said parabolic reflectors includes means for spacing said first and second parabolic reflectors to form an elliptically shaped reflector surface.

Claim 25

Adjustable beamwidth lighting apparatus as set forth in claim 14 wherein said first reflector has a center of radius at said light source.

Claim 26

Adjustable beamwidth lighting apparatus as set forth in claim 17 wherein said second reflector has a center of radius at said light source.

Claim 27

In a radiation system comprising: a source of visible wavelength radiation, a generally parabolically shaped adjustable reflector receiving radiation from said source and reflecting such radiation in a direction determined by the spaced relationship of said reflector to said source, means for adjusting the spaced relationship between said reflector and said source, and a selective wavelength filter of a first layer of filter elements having a first thickness surrounded by additional layers of filter elements, each additional layer having a filter element thickness greater than the first layer, said filter having coaxial symmetry and mounted to transmit energy of selected wavelengths from said source to said parabolically shaped reflector.

Claim 28

In a radiation system comprising: a source of visible wavelength radiation, a generally parabolically shaped adjustable reflector receiving radiation from said source and reflecting such radiation in a direction determined by the spaced relationship of said reflector to said source, means for adjusting the spaced relationship between said reflector and said source, and a selective wavelength filter of a first layer of filter elements having a first thickness surrounded by additional layers of filter elements, each additional layer having a filter element thickness greater than the first layer, said filter having coaxial symmetry and mounted to transmit energy of selected wavelengths from said source to said parabolically shaped reflector.

Claim 29

In a radiation system as set forth in claim 19 wherein said filter selectively transmits radiation in the infrared wavelengths.

Claim 30

In a radiation system comprising: a source of visible wavelength radiation, first reflecting means having a configuration formed from a portion of the sphere with the center of radius at said light source and at a fixed space relationship with respect to said source receiving radiation therefrom therefrom for reflection in a fixed direction, second reflecting means having a generally parabolic shape positionable with respect to said first reflecting means along an axis coaxial therewith receiving radiation reflected from said first reflecting means for further reflection in a direction variable with the position of said second reflecting means, means for positioning said second reflecting means with respect to said first reflecting means to vary the reflected beamwidth, and a selective wavelength filter having coaxial symmetry and mounted to transmit energy of selected wavelengths from said source to said reflector means.

Claim 31

In a radiation system comprising: a source of visible wavelength radiation, first reflecting means having a configuration formed from a portion of the sphere with the center of radius at said light source and at a fixed space relationship with respect to said source receiving radiation therefrom therefrom for reflection in a fixed direction, second reflecting means having a generally parabolic shape positionable with respect to said first reflecting means along an axis coaxial therewith receiving radiation reflected from said first reflecting means for further reflection in a direction variable with the position of said second reflecting means, means for positioning said second reflecting means with respect to said first reflecting means to vary the reflected beamwidth, and a selective wavelength filter having coaxial symmetry and mounted to transmit energy of selected wavelengths from said source to said reflector means.

Claim 32

In a radiation system as set forth in claim 21 including means for positioning said filter from a first position removed from said source and said reflecting means to a second position in the radiation path between said source and said reflecting means.

Claim 33

In a radiation system comprising: a source of visible wavelength radiation, first reflecting means having a fixed space relationship with respect to said source receiving radiation therefrom for reflection in a fixed direction, second reflecting means positionable with respect to said first reflecting means receiving radiation reflected therefrom for further reflection in a direction variable with the position of said second reflecting means with respect to said first reflecting means, means for positioning said second reflecting means with respect to said first reflecting means to vary the reflected beamwidth, and a selected wavelength filter having a first layer of filter elements with a first thickness surrounded by additional layers of filter elements, each additional layer having a filter element thickness greater than the first layer, said filter having coaxial symmetry and mounted to transmit energy in selected wavelengths from said source to said reflector means.

Claim 34

In a radiation system comprising: a source of visible wavelength radiation, first reflecting means having a fixed space relationship with respect to said source receiving radiation therefrom for reflection in a fixed direction, second reflecting means positionable with respect to said first reflecting means receiving radiation reflected therefrom for further reflection in a direction variable with the position of said second reflecting means with respect to said first reflecting means, means for positioning said second reflecting means with respect to said first reflecting means to vary the reflected beamwidth, and a selected wavelength filter having a first layer of filter elements with a first thickness surrounded by additional layers of filter elements, each additional layer having a filter element thickness greater than the first layer, said filter having coaxial symmetry and mounted to transmit energy in selected wavelengths from said source to said reflector means.

Claim 35

In a radiation system as set forth in claim 23 wherein said filter elements, as arranged in layers, forms a cylinder surrounding said light source.

Claim 36

An adjustable beamwidth reflector comprising: first reflecting means receiving radiation for reflection in a fixed direction to a stationary receiver location, said reflecting means having a configuration formed from a portion of a sphere with the center of radius at the stationary receiver location, second reflecting means having a generally parabolic shape positionable with respect to said first reflecting means along an axis coaxial therewith receiving radiation for reflection to said first reflecting means, means for positioning said second reflecting means with respect to said first reflecting means to vary the direction of received radiation, and a selected wavelength filter having coaxial symmetry and mouNted to transmit energy in selected wavelengths from said first reflecting means to the stationary receiver location.

Claim 37

An adjustable beamwidth reflector comprising: first reflecting means receiving radiation for reflection in a fixed direction to a stationary receiver location, said reflecting means having a configuration formed from a portion of a sphere with the center of radius at the stationary receiver location, second reflecting means having a generally parabolic shape positionable with respect to said first reflecting means along an axis coaxial therewith receiving radiation for reflection to said first reflecting means, means for positioning said second reflecting means with respect to said first reflecting means to vary the direction of received radiation, and a selected wavelength filter having coaxial symmetry and mouNted to transmit energy in selected wavelengths from said first reflecting means to the stationary receiver location.

Claim 38

An adjustable beamwidth reflector as set forth in claim 25 including means for positioning said filter from a first position removed from said reflecting means and the stationary receiver location to a second position in the radiation path between said reflecting means and the stationary receiver location.

Claim 39

In a lighting system comprising: a source of visible wavelength radiation, a generally parabolically shaped adjustable reflector receiving radiation from said source and reflecting such radiation in a direction determined by the spaced relationship of said reflector to said source, an air duct aligned with said source for directing an air flow around and past said source, a fan for producing an air flow through said duct, a second duct positioned to produce an air flow around said source from said first duct, and a second fan for producing an air flow through said second air duct.

Claim 40

In a lighting system comprising: a source of visible wavelength radiation, a generally parabolically shaped adjustable reflector receiving radiation from said source and reflecting such radiation in a direction determined by the spaced relationship of said reflector to said source, an air duct aligned with said source for directing an air flow around and past said source, a fan for producing an air flow through said duct, a second duct positioned to produce an air flow around said source from said first duct, and a second fan for producing an air flow through said second air duct.

Claim 41

In a lighting system as set forth in claim 27 including means for directing a portion of the airflow from said duct to said reflector.

Claim 42

In a lighting system as set forth in claim 27 including means for directing the airflow discharge from said second duct to said reflector.

Claim 43

An adjustable beamwidth reflector comprising: first reflecting means having a configuration formed by a portion of a sphere for receiving the radiation in a first direction with respect thereto for reflection in a second direction with respect thereto, second reflecting means having a generally parabolic configuration and an internal reflecting surface and an axis coaxial with the axis of said first reflecting means, said second reflecting means positionable with respect to said first means along an axis thereof receiving radiation in a first direction with respect thereto and coextensive with the second direction of the first reflecting means for reflection in a second direction with respect thereto, the first and second directions being variable with the position of said second reflecting means with respect to said first reflecting means, and means for positioning said second reflecting means with respect to said first reflecting means.

Claim 44

An adjustable beamwidth reflector comprising: first reflecting means having a configuration formed by a portion of a sphere for receiving the radiation in a first direction with respect thereto for reflection in a second direction with respect thereto, second reflecting means having a generally parabolic configuration and an internal reflecting surface and an axis coaxial with the axis of said first reflecting means, said second reflecting means positionable with respect to said first means along an axis thereof receiving radiation in a first direction with respect thereto and coextensive with the second direction of the first reflecting means for reflection in a second direction with respect thereto, the first and second directions being variable with the position of said second reflecting means with respect to said first reflecting means, and means for positioning said second reflecting means with respect to said first reflecting means.

Claim 45

In a lighting system comprising: a source of visible wavelength radiation, first reflecting means having a fixed spaced relationship with respect to said source receiving radiation therefrom, second reflecting means positionable with respect to said first reflecting means receiving radiation reflected therefrom for further reflection in a direction variable with the position of said second reflecting means with respect to said first reflecting means, third reflecting means positionable with respect to said source receiving radiation therefrom for reflection in a direction variable with the position of said third reflecting means with respect to said source, means for positioning said second and third reflecting means with respect to said source to vary the beam path direction therefrom, an air duct aligned with said source for directing cooling air around and passed the source, and a fan for producing the airflow through said duct.

Claim 46

In a lighting system comprising: a source of visible wavelength radiation, first reflecting means having a fixed spaced relationship with respect to said source receiving radiation therefrom, second reflecting means positionable with respect to said first reflecting means receiving radiation reflected therefrom for further reflection in a direction variable with the position of said second reflecting means with respect to said first reflecting means, third reflecting means positionable with respect to said source receiving radiation therefrom for reflection in a direction variable with the position of said third reflecting means with respect to said source, means for positioning said second and third reflecting means with respect to said source to vary the beam path direction therefrom, an air duct aligned with said source for directing cooling air around and passed the source, and a fan for producing the airflow through said duct.

Claim 47

In a lighting system as set forth in claim 31 including means for directing a portion of the airflow from said duct to said reflecting means.

Claim 48

In a lighting system as set forth in claim 32 including a second air duct positioned to draw an airflow around said source from said first duct, and a second fan for producing an airflow through said second air duct.